6722942 has 4 divisors (see below), whose sum is σ = 10084416. Its totient is φ = 3361470.

The previous prime is 6722929. The next prime is 6722957. The reversal of 6722942 is 2492276.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 6722899 and 6722908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1680734 + ... + 1680737.

It is an arithmetic number, because the mean of its divisors is an integer number (2521104).

Almost surely, 2^6722942 is an apocalyptic number.

6722942 is a deficient number, since it is larger than the sum of its proper divisors (3361474).

6722942 is a wasteful number, since it uses less digits than its factorization.

6722942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361473.

The product of its digits is 12096, while the sum is 32.

The square root of 6722942 is about 2592.8636678391. The cubic root of 6722942 is about 188.7352937974.

The spelling of 6722942 in words is "six million, seven hundred twenty-two thousand, nine hundred forty-two".